WP-8000-EX series operating end isolated safety barrier

WP-8000-EX series operating end isolated safety barrier, accepts (4-20) mA signals from the regulator or operator in the safe zone, and is isolated and transmitted by this isolated safety barrier to reproduce and drive the electrical in the dangerous site (I/P) converters, valve positioners, various linear actuators, display devices and other intrinsically safe instruments.

　　 This isolated safety barrier requires independent power supply, electromagnetic isolation between the power supply-input circuit-output circuit.

◆ Features

● Drive intrinsically safe equipment in dangerous sites with a load up to 750Ω.

　　● (4～20)mA input, isolated output (4～20)mA.

　　● Modular watch movement design, no need for zero and full scale adjustment.

　　● With working power indicator.

　　● Intrinsically safe output circuit [Exia]IIC, output circuit overcurrent protection.

　　● Plug and unplug terminal blocks, DIN rail card installation.

● Power supply

　　ower connection: independent terminal 13－, 14＋, can be plugged and unplugged

　　Power supply voltage: (20～30)VDC

　　 Current consumption: at 24VDC, <80mA

　　 Power indicator: power on, LED light on: green

● Input signal (safe area)

Current input: (4～20)mA

　　 Input impedance: 50Ω (one in and one out)
100Ω (two in and two out)

　　 Input voltage drop: at 20mA, <4V

● Output signal (Exia IIC dangerous area)

Output current: (4～20)mA

　　 Maximum load during current output: 350Ω (4mA～20mA, 0～20mA output)

　　 Output resistance: >2MΩ

　　 ripple (Vp-p): <10mV

●Performance

Standard accuracy: ±0.5%FS, ±0.2%FS

　　 Temperature drift: ±0.015%/℃

　　 Response time: ≤1s (10→90)%

　　 Stable time: ≤3s

　　 Influence of power supply voltage fluctuation: ±0.1% (allowable voltage range)

　　 Influence of load resistance change: ±0.1%/250Ω

　　 Channel isolation: isolation between input-output-power supply

　　 Insulation resistance: ≥100MΩ/500VDC (AC)

　　 Isolation capacity: 2500VAC/1 minute 50Hz

　　 Maximum explosion-proof voltage: 250VAC

　　Anti-electromagnetic compatibility: in line with IEC 61000 related anti-electromagnetic standards

● Environmental parameters

Working temperature: (-20～＋60)℃

　　Storage temperature: (-40～＋80)℃

　　Environmental humidity: (5～＋95)%RH (no condensation)

● Structure

Clip-on type; modular watch core; ABS material case; plug-in terminal

　　 Machine weight: about 110g